Datasheet for the Texas Instruments TPS51285B, supplied as a 1.37 MB PDF. The TPS51285 family are dual synchronous step-down controllers with 5 V and 3.3 V LDOs…

Datasheet for the Richtek RT8239A, provided as a 404 KB PDF. Richtek RT82xx parts are commonly used on laptop boards as dual-output PWM controllers that generate the 3V…

Texas Instruments datasheet for the TPS51123, a dual synchronous buck controller with integrated 5 V and 3.3 V LDOs, supplied as a 2.40 MB PDF.

Texas Instruments datasheet for the TPS51225C, a dual synchronous step-down controller with built-in 5 V and 3.3 V LDOs.

Datasheet in PDF form, 257 KB, whose file name is a random string that reveals nothing about the part number, manufacturer or device covered.